From: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Fix build errors when building almost-allmodconfig but with SYSFS
not set (not enabled). Fixes these build errors:
ERROR: "pci_destroy_slot" [drivers/pci/controller/pci-hyperv.ko] undefined!
ERROR: "pci_create_slot" [drivers/pci/controller/pci-hyperv.ko] undefined!
drivers/pci/slot.o is only built when SYSFS is enabled, so
pci-hyperv.o has an implicit dependency on SYSFS.
Make that explicit.
Also, depending on X86 && X86_64 is not needed, so just change that
to depend on X86_64.
Fixes: a15f2c08c708 ("PCI: hv: support reporting serial number as slot
information")
Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Cc: Jake Oshins <jakeo@xxxxxxxxxxxxx>
Cc: "K. Y. Srinivasan" <kys@xxxxxxxxxxxxx>
Cc: Haiyang Zhang <haiyangz@xxxxxxxxxxxxx>
Cc: Stephen Hemminger <sthemmin@xxxxxxxxxxxxx>
Cc: Stephen Hemminger <stephen@xxxxxxxxxxxxxxxxxx>
Cc: Sasha Levin <sashal@xxxxxxxxxx>
Cc: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
Cc: linux-pci@xxxxxxxxxxxxxxx
Cc: linux-hyperv@xxxxxxxxxxxxxxx
Cc: Dexuan Cui <decui@xxxxxxxxxxxxx>
---
v3: corrected Fixes: tag [Dexuan Cui <decui@xxxxxxxxxxxxx>]
This is the Microsoft-preferred version of the patch.
drivers/pci/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- lnx-52.orig/drivers/pci/Kconfig
+++ lnx-52/drivers/pci/Kconfig
@@ -181,7 +181,7 @@ config PCI_LABEL
config PCI_HYPERV
tristate "Hyper-V PCI Frontend"
- depends on X86 && HYPERV && PCI_MSI && PCI_MSI_IRQ_DOMAIN && X86_64
+ depends on X86_64 && HYPERV && PCI_MSI && PCI_MSI_IRQ_DOMAIN && SYSFS
help
The PCI device frontend driver allows the kernel to import arbitrary
PCI devices from a PCI backend to support PCI driver domains.
